other bits and bobs

Question 1

Koebner phenomenon

Answer 1

describes skin lesions that appear at the site of injury

Question 2

the Koebner phenomenon is seen in

Answer 2

psoriasis
vitiligo
warts
lichen planus
lichen sclerosus
molluscum contagiosum

Question 3

three thyroid arteries and what are they branches of

Answer 3

Superior thyroid artery (1st branch of external carotid)
Inferior thyroid artery (from thyrocervical trunk)
Thyroidea ima (in 10% of population -from brachiocephalic artery or aorta)

Question 4

what lesions have greatest risk of fracture

Answer 4

Peritrochanteric lesions have the greatest risks of fracture (due to loading). The lesions from breast cancer are usually lytic and therefore at higher risk rather than the sclerotic lesions from prostate cancer.